(19)
(11) EP 2 132 371 A1

(12)

(43) Date of publication:
16.12.2009 Bulletin 2009/51

(21) Application number: 08719802.4

(22) Date of filing: 21.03.2008
(51) International Patent Classification (IPC): 
D06F 75/12(2006.01)
G01F 23/24(2006.01)
F22B 1/28(2006.01)
(86) International application number:
PCT/IB2008/051079
(87) International publication number:
WO 2008/120130 (09.10.2008 Gazette 2008/41)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 30.03.2007 EP 07105285

(71) Applicant: Koninklijke Philips Electronics N.V.
5621 BA Eindhoven (NL)

(72) Inventors:
  • XIAO, Taikang
    NL-5656 AE Eindhoven (NL)
  • THIRUMAZHISAI SANKARALINGAM, Tamilselvan
    NL-5656 AE Eindhoven (NL)
  • ESTRADA, Jose, L.
    NL-5656 AE Eindhoven (NL)
  • TIEW, Hock, S.
    NL-5656 AE Eindhoven (NL)
  • BELLE, Chaitra
    NL-5656 AE Eindhoven (NL)
  • CHADHA, Jasmeet, S.
    NL-5656 AE Eindhoven (NL)
  • TAY, Barry, E., K.
    NL-5656 AE Eindhoven (NL)

(74) Representative: Uittenbogaard, Frank 
Philips Intellectual Property & Standards P.O. Box 220
5600 AE Eindhoven
5600 AE Eindhoven (NL)

   


(54) METHOD FOR DETERMINING THE LIQUID LEVEL IN A BOILER